package com.lhh.test2;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.CommandLineRunner;
import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.context.ApplicationEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.event.ApplicationEventMulticaster;
import org.springframework.context.event.SimpleApplicationEventMulticaster;
import org.springframework.context.support.AbstractApplicationContext;
import org.springframework.core.env.Environment;
import org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor;
import org.springframework.stereotype.Component;


/**
 * @Auther 虎
 * @Data 2020/4/12 17:13
 * @Version 1.0
 */
@EnableConfigurationProperties(LhhProperties.class)
public class LhhAutoConfig {
    @Bean
    @ConditionalOnProperty(prefix = "lhh.auto",name = "enable",havingValue = "true")
    CommandLineRunner createLhhCommandLineRunner(Environment environment){
        return new LhhCommandLineRunner(environment);
    }

    @Bean(AbstractApplicationContext.APPLICATION_EVENT_MULTICASTER_BEAN_NAME)
    ApplicationEventMulticaster lhhApplicationEventMulticaster(ThreadPoolTaskExecutor taskExecutor){
        SimpleApplicationEventMulticaster eventMulticaster = new SimpleApplicationEventMulticaster();
        eventMulticaster.setTaskExecutor(taskExecutor);
        return eventMulticaster;
    }

    static class NoticeEvent extends ApplicationEvent {
        private static final Logger LOGGER = LoggerFactory.getLogger(NoticeEvent.class);
        private final String message;

        public NoticeEvent(String message) {
            super(message);
            this.message = message;
            LOGGER.info("添加事件成功！message:{}", message);
        }
        public String getMessage() {
            return message;
        }
    }

    @SuppressWarnings("unused")
    @Component
    static class NoticeListener implements ApplicationListener<NoticeEvent> {
        private static final Logger LOGGER = LoggerFactory.getLogger(NoticeListener.class);

        @Override
        public void onApplicationEvent(NoticeEvent noticeEvent) {
            LOGGER.info("事件监听器获取到 NoticeEvent，睡眠当前线程 2 秒...");
            try {
                Thread.sleep(2000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
            LOGGER.info("NoticeEvent 的 message 属性是：{}", noticeEvent.getMessage());
        }
    }
}
